Layer Your Clothes to Stay Comfortable in Any Weather

Whether you’re hiking, climbing, or backpacking, here’s how to use base layers, mid layers, and a shell to be comfortable no matter what nature throws at you.

Layering is not complicated. It's the process of adding and removing layers of clothing to keep your body comfortable in changing weather and temperature conditions.

Billions of dollars have been spent trying to optimize this process (and sell you stuff), but it's really very simple: Put clothing on when you're cold, take clothing off when you're hot. Which clothing? That's the rub, as they say. But don't worry. We'll walk you through what each layer is, how to layer, and when you'll want it. Once you're done here, check out our guides to the Best Base Layers, Best Puffer Jackets, Best Merino Wool, and Best Rain Jackets ...